Communication of typed or registered numerical values to computing mechanisms



March 25 1924-. J. ;M.- MG.- BARR COMMUNICATION 0E TYEBD REGISTEREDNUMERICAL VALUES T0 COMPUTING MECHANISMS Filed Jul 9, 1923' Huh awn wePatented 'Nlar. 1924i PATENT DEF-ICE Bum, -61" 'no'nnp'n, ENGLAND.

cpmmcxnon for {on nmrs'rmmn mmmz'rcu. i P m'ncxmmsus. Y

Mixing:

Jkmcs te militia animal-um mechin df the typereferrei jtpg providmtrmedietei-ibf: he keys andh9 ffio 'pflting ,dey'i'ces adafrted to'recivet h di mvalne id aw he 11,110 sa me f fo ifny?.PIedeterniindQ'IengthLOf -time] that, the operator may be:.enebiediteffview the for; pbssible corrections before' 1- 3 I0-lowina'the-trgnsfe nceoftlie digit valu s -by sue "intermediatedevices'tggthefdounters. or'epmputing deviqes l .They iiyention also in a.wiculating of .th'eltyie to having 86 means for converting t e typed 'tsinto a ample, its a decimal system) -beforei'trensferce w, t e oflflmfiQ w i w h m ami' a The invention also' cqnsistsyinhfcalculeting m'achineof the above ch "ater' in- "which' means are-provided tb enable a. key

' "for any given diglt'tobperateito mturnto ncfirmal "position and1211118, cancel; the yefiect pressed key in order that thepdigit valuesset up by one key may be suitably modified by the operationof -asubsequent key. I

t n The invention also consists in ether details and arrangementshereinafter'deScrihed or indicated. 1 e

The accompanying drawing. illustrates diagrammatically one ,convenientarrangef thqUnitedfStates 7 calculatin any devices operated-by a;previously -de- .other factor determmi ea "Juli "a, 1923. serial m.fesp,so4. I

inientiqmf j in yi -h 1 qne convenient manner as;

the mwlheefi t n h mgile y di i 11 .'m y e drawing} (representing resstoo'd that the keyqmayt y 101i, crate numbers intg' any desired 'ptherhumqries; p 'In thel' irticulmg; exmfiple I haiveednsi ered-om:thenverjsion i 'p ncefin P h -equ 'vi nt dwi all 0f sterli% .ppun'dsand the" letters I Z A are taken to represent; e l tibn "of numbers"after the ideeirnal pd Thus, for eimmple; 7 pence. is 9166 Pound h andthe decimiii' val n with, the fkyc gm' of nota' j aboye wo'uki'berepresented thust- V 'V w Y Z A B E 4 o/2 9 "1, 5 6,'6' 'Eaeh' key'iswith w contents and for thefsake of simplie t this grou systemjaofuwesfre ciiigrrurntef the can he -bul'lt'up but-in some cases the-'grqn'p 'ample, it is found byth'e culations necessary fdrt -certainkeynever requires' a. number hi her than {certain nial' position.

'Y 2A B E aeoording tetheipredetermined.

value in a particular 1 ee contacts may he redueeduwliere, forexredetermined'cal g The arrangenie'nt i such that when a; key essed i0!a particular. cerriage p0 ion some or other of theswitche's lb c 6 switche's would close} circuits to'su'itable Bell releaisemaul-mensesother devises? -"th at when the circuits were rnwflejlive'th'e m me;

crs ere'ompnting nechs porres ondingto the deeirn'n' ;;positi .vmsr Z BEw w s 021 5J6: balls er-othr deticesfdebei-mining' the .iti0. .;e -h civee ori mput hg ne e eui m -gie ence keys inja. steri l i r hecorrespond n fpenize' e rpuits cons neetd togetherfaji to' sjuitnhle m mcon ef er'is t fni i's the. QQ 'RB switches; the "arrangement being anthat if the, depression :oisuch key"ijs' fo'l1owed hy the. fi 43? 6f aira ctioril" key' some 'or r ll?! we ts.ss ift pe ezke w m il h i i me iit er ti n de e siq f;;. l i. iv-.- ta ues f 'is setl'gni) {,on th w1t1iesi;fon subsedepressioxfioffthelrey were not I followed by ke ser e -in i=1! i eefiemk m 'A' m ns.. hewe rg tl t {the kej'liis subsequentlynep l il issue? V ue mi m. is h the ;oper'ation of such 'k'ey re:

turnsthe. alues jgiven by. the precedihg 7 pence. key nndreplnces swchyalues' b. the

i hi eh is the decimsil v a us of Q 1Q 2. 3; 4,, .5, 6,718,.9, 10llffiirjexample, will he'Isilnilarlygqirpvided with foontaets to producethe respectire' decimal .yalues for these figures annexe); to produce.in-romhi- 'lllird lm-of dec'unals denotesa mea decimal circuit designedto return't-he 5' Y? switch and so on for the other series of referencesgiven."

' The references F D S X represent respeetively the carriage positionsfor fractions 01? 'pence, units of-penoe, units ofl-shillings andtens ofSiliiiillg5 illld the arrow denotes the :direotion of movement of thedistributor brush or other device, the. sition of which depends u )onthe particu ar. denomination "required, tie arrangement being such thatcurrentflows through the X conductorin the osition for tens dfshillings, throu h the conductor ,in the position for un s heldecimal ofshillings, through the-,D conductorfin theiiosition for. units of penceendthrough v the T nductor in the positionof f actions" Thus, ass ownbytheidot-"Q; ted lines at elf-the 5 Y contacts are s nses-ma; to therelay heinctuatingthefi. switch c'in the Y groupofswitohes. Sirnilsrly,al1 tlie; 2 Z contacts would LbeIpOrijncted to the; relay mactuntingithe 2' switch the: Z group of switches, 31nd so on throughout;-the series. I 1 All the unit keysiof'the inschine nml cetheir-contaets; direet,'tlmt is'to sayfwheii any unit key-is depressed.the contactsfn; are closedfor ,that partieularvkey and the correspondingswitches 'a b c, etc. for-that key. moved. over to .the left fromth'epp'ositi'on shown in the fign-re, es the current; passes through oneor otherof the condue tors D S X as determined by the car-' riageposition as "above described, fl hn's, for example, seven shillingsis-'.35'-of fone pound. so that if the key 7 is depressed when thecarriage is iii sit-ion 'S'dexioting units'of shillings; it wi be seenthat 'cur'-' rent passes through? V, 1 V and '5.W't"o more over theswitches a, a and b "s'o'that 'u the cireuitscontrolled by theseswitchesa're completed through to suitable electrom.a4 netic devicesatlepted to release correspond-. ing numbers of bails to counters. Thatis to say,-wl 1en'current passes through the con-4 (luctor .o, the hall,release "mechanism .will be actuated to pass 3.balls to the V count'efandjihail ls'to the W counter, so that the counters will show 35. Againif these'ven key is depressedjn the carriage position. D denotinglu'nitsof -.p'ence, the eontactsf' i 21%; ,Y,,2 Y, 1'-Y,' 1 Y, 1 Z,- 5 A, '1 Alish connection with the relays aetnating" the 2 switchfinfthe W group,"the-whole of the switches of the Y- group, -1 switclfof the Z group andthe 5 and 1 switches of the A, B and E groups respectively, 56

ed I are indicated by. the

""marked 2 V, 1 V, e

. 4 s contacts are connected to t i respective relays 'operatin' theswitches" h b a d a f and that when current is passed; through theconductor 0, the values 0, 2, 9, 1 6, 6,' 6,

are released to the counters and t 's value in case the value may haveto beagltered by subs uent depression oia gframion "key,

for w ich purposet'the fraction re ugnanmake contact 'direct butfth'mughthe units I and hence, this) value .must be set up on thefswitches andsubsequentl delivered to pgsition, leaving .s'et'uthecounters.f'-.;;This e t halfpenny; is depress'ed; 1' W switchswitches must. {be 'returned the normal 1' S 1j Amuse be return fronithe'figur'e that these-conditions are tes the comets,

W, 5 YR 2 5 B 11,1133, 5E 12 and erence' Rdenoting return'as abovereferred to. "For such fraction keysjthe carriage is in the positionforcurrent to pass through the conductor F in order to energize the relays'of the switches to beset b such keys. The conductor o is for sutraction, it'

being evidentthat it the switches are operatedas abovedescribed for thenormalke values, the switches 11'!) 0d e, etc whic have not been movedwill represent the sup- 'peements of such key values (or differencetween each of such key values and 9) and Q the subtraction may beeffected by the addition of the supplementsas islmown;

with return relays such as are indicated at p, and such relays may beactuated to move all switches to the normal position as shown in the 'fire when current is passed therethrough y the operation of thedistributor brush or by means of a key or otherwise.

' scribed theinvention'in terms of. sterling pence values and thenconversion into equivalent decimal values of sterlin pounds only for thesake of clarity and il ustra-tion but that conversions by the abovemeans will in my invention be made from any do-- tsiledsystem ofnumerics into-any other or" '1 ZmustS v 5 Ba i 1 B and 5 I 1 E alsoreturned; It willbeseen- 25 =-sa.tisfied Abydepressiomof the halfpenny vt v a -P .of-finger keys,' each designate b 1 E R, the ms- The switchesa 6 0d, shears associated -"hy .the operation of the key when thekey Theke s the! 2. a calculating "machin' ura'lity'i a in meansior'varyin thedenominational e ect of such ke. a'pIuralit :of electric circuitscontrolled y the operation of the said keys, electromagnets associatedwith said circuits, switches operated by the said ma 1 ets, each switchchm-es ending to a p etermined decimal fractional value; and meanswhereby the operation-of a fingervkey operates switches which constitutethe decimal equiv-' 'alent of the digit on the finger key fin thedenomination desired. i 7 .1

- 3. In a calculating machine means for converting shillings and onceinto the equivalent decimal fractionai value of pounds sterlingcomprising a finger key, a plurality ofelectric switches operated bysaid key, a

I plurality of electric circuits associated with said-sw1tches, andmeans whereby some of the saldcircults are caused to be energizedrverting shillingsgpence and fractions thereof v into their equivalentdecimal fractlonal It is to be understoodthatI have de-" value of"poundsjsterling, comprising a plurality of finger keys, each key beingdesignated by a diglt, a lurality of v switches, each switch corresponing to-a predetcrminedfractional value of pounds sterling,meanscontrolled by said keys for selec tivcly operating said switches, andmeans whereby the selectiomo'f the switches is varied with thedenomination of the finger ke l In a calculatingmachine means forconverting shillings and pence into the equivalent decimal 'fractionalvalue of pounds-sterling comprising a plurality of finger keys, aplurality of switches, each 180 r deeimal fractional' value of poundssterling,

' mezins- I .Jand-;:m,eans whegebyagth rfgeys mey. varied:

H pyliimlif. d xrsw. 11m! es, pangwhelfe 1%? Bald cir-' MI eper I} key?deslgnates comprising "electrieal" cireujte and.-

- eletromagnets for'selectivel operating by the opereliateeshillings,electromagnei zs in said circuits, and a. plurality of switches operatedby said electmnm nets.

1 7. In a calculwtmg machine means for com yertin pence into the lent dim g omp g cpl-responding to a predetermined decimal value,electromagnets for operating js'aid Switches, a .flurality,

ofelectric circuits aegbcieted \Vltll sand electmmagnets, apluralijjyflqf'fingergkeys controlling said electric pg-ality-feiljegitsgfleacll key being designated by a,

' said keys mayb used as shllhl lg keys orpence keys interf-eluingeably.y l H y. In testimony whereoffl hevesigned my n'ameto thisspecification. f.

JAMES MARK McGINNIS BARB...

